VulnerabilityModified
CVE-2021-28803
This issue affects: QNAP Systems Inc.
MEDIUM 5.4EPSS 0.47%
Does this matter?
Lower severity and a low EPSS score (0.47%). Track it; it rarely justifies an emergency change on its own.
Description
This issue affects: QNAP Systems Inc. Q'center versions prior to 1.11.1004.
- CVSS 3.1
- 5.4 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
- EPSS
- 0.47% probability · 40th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-80, CWE-79
- Affected
- qnap/q\'center
- Source
- security@qnapsecurity.com.tw
EPSS 0.5% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://www.qnap.com/zh-tw/security-advisory/qsa-21-31Vendor Advisory
- https://www.qnap.com/zh-tw/security-advisory/qsa-21-31Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.